47 NXAIR / ≤ 40 kA 110-0084.9 / 15
Read and understand these instructions before attempting installation works.
The operations described in this chapter and in the next one are listed by logical content and are therefore not
always in the actual order of execution.
Assembling the transport units can be started when the following conditions are fulfilled:
•
All panels are at the place of installation.
•
All transport damages have been repaired.
•
The accessories and other required materials are completely available.
•
The busbars are taken out of the transport fixing.
To take a withdrawable part / switching-device truck out of a panel while assembling
the panels:
See Operating Instructions with order number 110-0134.9.
7.1 Tightening torques and control tightening torques for bolted joints
Tightening torques
The following tightening torques apply to bolted joints.
Control tightening torques
The following tightening torques apply when checking bolted joints.
Specific tightening torques are stated separately in the respective assembly operation.
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